An item of various shapes and cross-sections, that may be flanged and that is designed to fit over a valve seat, allowing proper positioning of the seat with a flow control device.
Classification: Parts of taps, cocks, valves and similar appliances, nesoi
NSN 5985-01-185-1012
NSN 5985-00-137-0915
NSN 6320-01-462-2295
NSN 5999-01-152-2313
NSN 5935-01-044-4888
NSN 6130-01-199-0173
NSN 5855-00-688-9954
NSN 5960-00-296-5353
NSN 7035-00-908-4933
NSN 6130-00-082-7872
NSN 2925-00-918-0859
NSN 5930-01-061-9779